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About Girder
We keep the date.
Girder is a general contractor for owners who are tired of moving dates. One crew, one contract, and a schedule you see every Friday, from groundworks to handover.
412 projects handed over · 96% on time · 1.2M hours without a lost-time injury

Our story
Built up floor by floor.
One truck, one rule: the date in the contract is a promise. Every floor since has been built on that.
- L012002
Marcus starts Girder with one truck
- L022008
First commercial building handed over
- L032014
Roofing and envelope crew joins
- L042019
Last lost-time injury
- L052026
412 projects and counting
What we sign
Three promises, in writing.
- 01
The date
In the contract, tracked every Friday.
- 02
The price
Fixed, by trade, with every allowance named.
- 03
The site
Safe, sealed and swept every evening.
The site office
1200 W Fulton Market, Chicago, IL 60607
- Hours
- Mon–Fri 7:00–17:00
- bids@girder.build
About Girder
We keep the date.
Girder is a general contractor for owners who are tired of moving dates. One crew, one contract, and a schedule you see every Friday, from groundworks to handover.
412 projects handed over · 96% on time · 1.2M hours without a lost-time injury

Our story
Built up floor by floor.
One truck, one rule: the date in the contract is a promise. Every floor since has been built on that.
- L012002
Marcus starts Girder with one truck
- L022008
First commercial building handed over
- L032014
Roofing and envelope crew joins
- L042019
Last lost-time injury
- L052026
412 projects and counting
What we sign
Three promises, in writing.
- 01
The date
In the contract, tracked every Friday.
- 02
The price
Fixed, by trade, with every allowance named.
- 03
The site
Safe, sealed and swept every evening.
The site office
1200 W Fulton Market, Chicago, IL 60607
- Hours
- Mon–Fri 7:00–17:00
- bids@girder.build
About Girder
We keep the date.
Girder is a general contractor for owners who are tired of moving dates. One crew, one contract, and a schedule you see every Friday, from groundworks to handover.
412 projects handed over · 96% on time · 1.2M hours without a lost-time injury

Our story
Built up floor by floor.
One truck, one rule: the date in the contract is a promise. Every floor since has been built on that.
- L012002
Marcus starts Girder with one truck
- L022008
First commercial building handed over
- L032014
Roofing and envelope crew joins
- L042019
Last lost-time injury
- L052026
412 projects and counting
What we sign
Three promises, in writing.
- 01
The date
In the contract, tracked every Friday.
- 02
The price
Fixed, by trade, with every allowance named.
- 03
The site
Safe, sealed and swept every evening.
The site office
1200 W Fulton Market, Chicago, IL 60607
- Hours
- Mon–Fri 7:00–17:00
- bids@girder.build
06 · The crew
The people on your site.
The names on the bid are the names on the job. Same superintendent from the first stake to the last walkthrough, and every one of them picks up the phone.
Girder · Site IDNo. 001

Marcus Hill
Founder & general contractor
24 yrs · Badge 001
- OSHA 30
- LEED AP
Marcus24 yrs · Badge 001
If the date slips, I call you before you call me.
Marcus Hill
Founder & general contractorGirder · Site IDNo. 014

Lena Park
Head of preconstruction
13 yrs · Badge 014
- PE
- CPE
Lena13 yrs · Badge 014
A good estimate has no surprises in it, only numbers.
Lena Park
Head of preconstructionGirder · Site IDNo. 003

Ray Kowalski
Site superintendent
31 yrs · Badge 003
- OSHA 500
- First aid
Ray31 yrs · Badge 003
Everybody on my site goes home the way they came in.
Ray Kowalski
Site superintendentGirder · Site IDNo. 027

Andre Cole
Roofing & envelope lead
11 yrs · Badge 027
- GAF Master Elite
- OSHA 30
Andre11 yrs · Badge 027
Water always finds the one detail you skipped. So we skip none.
Andre Cole
Roofing & envelope lead
06 · The crew
The people on your site.
The names on the bid are the names on the job. Same superintendent from the first stake to the last walkthrough, and every one of them picks up the phone.
Girder · Site IDNo. 001

Marcus Hill
Founder & general contractor
“If the date slips, I call you before you call me.”
24 yrs · Badge 001
- OSHA 30
- LEED AP
Girder · Site IDNo. 014

Lena Park
Head of preconstruction
“A good estimate has no surprises in it, only numbers.”
13 yrs · Badge 014
- PE
- CPE
Girder · Site IDNo. 003

Ray Kowalski
Site superintendent
“Everybody on my site goes home the way they came in.”
31 yrs · Badge 003
- OSHA 500
- First aid
Girder · Site IDNo. 027

Andre Cole
Roofing & envelope lead
“Water always finds the one detail you skipped. So we skip none.”
11 yrs · Badge 027
- GAF Master Elite
- OSHA 30
06 · The crew
The people on your site.
The names on the bid are the names on the job. Same superintendent from the first stake to the last walkthrough, and every one of them picks up the phone.
Girder · Site IDNo. 001

Marcus Hill
Founder & general contractor
24 yrs · Badge 001
- OSHA 30
- LEED AP
Marcus24 yrs · Badge 001
If the date slips, I call you before you call me.
Marcus Hill
Founder & general contractorGirder · Site IDNo. 014

Lena Park
Head of preconstruction
13 yrs · Badge 014
- PE
- CPE
Lena13 yrs · Badge 014
A good estimate has no surprises in it, only numbers.
Lena Park
Head of preconstructionGirder · Site IDNo. 003

Ray Kowalski
Site superintendent
31 yrs · Badge 003
- OSHA 500
- First aid
Ray31 yrs · Badge 003
Everybody on my site goes home the way they came in.
Ray Kowalski
Site superintendentGirder · Site IDNo. 027

Andre Cole
Roofing & envelope lead
11 yrs · Badge 027
- GAF Master Elite
- OSHA 30
Andre11 yrs · Badge 027
Water always finds the one detail you skipped. So we skip none.
Andre Cole
Roofing & envelope lead
07 · Owners' words
Signed off by owners.
They gave us a date in January and handed us the keys on that date in July. In fifteen years of building depots that has happened once.
Daniel OkaforCOO, Northline LogisticsA hundred-year-old warehouse hides things. Every time it did, Girder showed us the problem, the price and the fix the same afternoon.
Hugo BremnerChair, Foundry Lofts LLCWe lived in the house the whole time. The dust wall went up on day one and the site was swept every evening before we got home.
Priya RamanHomeowner, Lincoln ParkThey built nine floors next to a working hospital and we never closed a ward, not for an hour.
Dr. Alan PriceDirector, Northside Clinic01 / 04
Handover · Depot 9Sheet 01 / 04




- On the date
- On the budget
- Zero open defects
- Site left clean
ResultHanded over on the day
Signed off07 · Owners' words
Signed off by owners.
01 / 04
They gave us a date in January and handed us the keys on that date in July. In fifteen years of building depots that has happened once.
Daniel OkaforCOO, Northline LogisticsHandover · Depot 9Sheet 01 / 04

- On the date
- On the budget
- Zero open defects
- Site left clean
ResultHanded over on the day
Signed offA hundred-year-old warehouse hides things. Every time it did, Girder showed us the problem, the price and the fix the same afternoon.
Hugo BremnerChair, Foundry Lofts LLCHandover · Foundry LoftsSheet 02 / 04

- On the date
- On the budget
- Zero open defects
- Site left clean
Result$0 over budget
Signed offWe lived in the house the whole time. The dust wall went up on day one and the site was swept every evening before we got home.
Priya RamanHomeowner, Lincoln ParkHandover · Linden KitchenSheet 03 / 04

- On the date
- On the budget
- Zero open defects
- Site left clean
ResultDone in 6 weeks
Signed offThey built nine floors next to a working hospital and we never closed a ward, not for an hour.
Dr. Alan PriceDirector, Northside ClinicHandover · Northside ClinicSheet 04 / 04

- On the date
- On the budget
- Zero open defects
- Site left clean
Result0 days of ward closure
Signed off07 · Owners' words
Signed off by owners.
They gave us a date in January and handed us the keys on that date in July. In fifteen years of building depots that has happened once.
Daniel OkaforCOO, Northline LogisticsA hundred-year-old warehouse hides things. Every time it did, Girder showed us the problem, the price and the fix the same afternoon.
Hugo BremnerChair, Foundry Lofts LLCWe lived in the house the whole time. The dust wall went up on day one and the site was swept every evening before we got home.
Priya RamanHomeowner, Lincoln ParkThey built nine floors next to a working hospital and we never closed a ward, not for an hour.
Dr. Alan PriceDirector, Northside Clinic01 / 04
Handover · Depot 9Sheet 01 / 04




- On the date
- On the budget
- Zero open defects
- Site left clean
ResultHanded over on the day
Signed off
On site
On site
Topped out
Handed over